pdf docs fixes (#7519)

Author: lhoestq

docs/source/document_load.mdx

@@ -10,7 +10,7 @@ Pdf datasets have [`Pdf`] type columns, which contain `pdfplumber` objects.
 
 <Tip>
 
-To work with pdf datasets, you need to have the `pdfplumber` package installed. Check out the [installation](https://github.com/pytorch/vision#installation) guide to learn how to install it.
+To work with pdf datasets, you need to have the `pdfplumber` package installed. Check out the [installation](https://github.com/jsvine/pdfplumber#installation) guide to learn how to install it.
 
 </Tip>
 
@@ -185,7 +185,7 @@ Finally the `filters` argument lets you load only a subset of the dataset, based
 
 <Tip>
 
-For more information about creating your own `PdfFolder` dataset, take a look at the [Create a pdf dataset](./pdf_dataset) guide.
+For more information about creating your own `PdfFolder` dataset, take a look at the [Create a pdf dataset](./document_dataset) guide.
 
 </Tip>